256044433162512 has 40 divisors (see below), whose sum is σ = 682785155104000. Its totient is φ = 82594978439040.

The previous prime is 256044433162489. The next prime is 256044433162537. The reversal of 256044433162512 is 215261334440652.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86036434387 + ... + 86036437362.

It is an arithmetic number, because the mean of its divisors is an integer number (17069628877600).

Almost surely, 2^{256044433162512} is an apocalyptic number.

It is an amenable number.

256044433162512 is an abundant number, since it is smaller than the sum of its proper divisors (426740721941488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256044433162512 is a wasteful number, since it uses less digits than its factorization.

256044433162512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172072871791 (or 172072871785 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 256044433162512 in words is "two hundred fifty-six trillion, forty-four billion, four hundred thirty-three million, one hundred sixty-two thousand, five hundred twelve".